5717062e93
Add support for managing and configuring watchdog pretimeout values if the watchdog hardware supports it. The ping interval is adjusted to account for a pretimeout so that it will still ping at half the timeout interval before a pretimeout event would be triggered. By default the pretimeout defaults to 0s or disabled. The RuntimeWatchdogPreSec config option is added to allow the pretimeout to be specified (similar to RuntimeWatchdogSec). The RuntimeWatchdogPreUSec dbus property is added to override the pretimeout value at runtime (similar to RuntimeWatchdogUSec). Setting the pretimeout to 0s will disable the pretimeout.
System and Service Manager
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